@article{01413177,
title = {Some pairwise balanced designs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {7},
year = {2000},
zbl = {0938.05007},
language = {en},
url = {http://dml.mathdoc.fr/item/01413177}
}
Greig, Melcom. Some pairwise balanced designs.. The Electronic Journal of Combinatorics [electronic only], Tome 7 (2000) . http://gdmltest.u-ga.fr/item/01413177/